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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-11-10 14:14:54 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-11-10 14:14:54 +0000 |
| commit | 61fd7ac087c59240522684e53e56dfa40636c477 (patch) | |
| tree | 8184b5b51c38194d909d428197e0ab7b065167be /sys | |
| parent | bb3616ab20b5e99c490576a53850b5ef4baa87a5 (diff) | |
| download | src-61fd7ac087c59240522684e53e56dfa40636c477.tar.gz src-61fd7ac087c59240522684e53e56dfa40636c477.zip | |
Add support for configuring local multicast and unicast data traffic loopback
in mlx5en(4) driver via the sysctl interface.
Sponsored by: Mellanox Technologies
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=325660
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/mlx5/mlx5_en/en.h | 4 | ||||
| -rw-r--r-- | sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c | 38 |
2 files changed, 41 insertions, 1 deletions
diff --git a/sys/dev/mlx5/mlx5_en/en.h b/sys/dev/mlx5/mlx5_en/en.h index f109a74df1f3..28ba7d11665b 100644 --- a/sys/dev/mlx5/mlx5_en/en.h +++ b/sys/dev/mlx5/mlx5_en/en.h @@ -411,7 +411,9 @@ struct mlx5e_params { m(+1, u64 modify_tx_dma, "modify_tx_dma", "0: Enable TX 1: Disable TX") \ m(+1, u64 modify_rx_dma, "modify_rx_dma", "0: Enable RX 1: Disable RX") \ m(+1, u64 diag_pci_enable, "diag_pci_enable", "0: Disabled 1: Enabled") \ - m(+1, u64 diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") + m(+1, u64 diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") \ + m(+1, u64 mc_local_lb, "mc_local_lb", "0: Local multicast loopback enabled 1: Disabled") \ + m(+1, u64 uc_local_lb, "uc_local_lb", "0: Local unicast loopback enabled 1: Disabled") #define MLX5E_PARAMS_NUM (0 MLX5E_PARAMS(MLX5E_STATS_COUNT)) diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c b/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c index 8d3654c4ad1c..906867944771 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c @@ -421,6 +421,30 @@ mlx5e_ethtool_handler(SYSCTL_HANDLER_ARGS) priv->params_ethtool.diag_general_enable); break; + case MLX5_PARAM_OFFSET(mc_local_lb): + priv->params_ethtool.mc_local_lb = + priv->params_ethtool.mc_local_lb ? 1 : 0; + + if (MLX5_CAP_GEN(priv->mdev, disable_local_lb)) { + error = mlx5_nic_vport_modify_local_lb(priv->mdev, + MLX5_LOCAL_MC_LB, priv->params_ethtool.mc_local_lb); + } else { + error = EOPNOTSUPP; + } + break; + + case MLX5_PARAM_OFFSET(uc_local_lb): + priv->params_ethtool.uc_local_lb = + priv->params_ethtool.uc_local_lb ? 1 : 0; + + if (MLX5_CAP_GEN(priv->mdev, disable_local_lb)) { + error = mlx5_nic_vport_modify_local_lb(priv->mdev, + MLX5_LOCAL_UC_LB, priv->params_ethtool.uc_local_lb); + } else { + error = EOPNOTSUPP; + } + break; + default: break; } @@ -732,6 +756,20 @@ mlx5e_create_ethtool(struct mlx5e_priv *priv) priv->params_ethtool.cqe_zipping = priv->params.cqe_zipping_en; mlx5e_ethtool_sync_tx_completion_fact(priv); + /* get default values for local loopback, if any */ + if (MLX5_CAP_GEN(priv->mdev, disable_local_lb)) { + int err; + u8 val; + + err = mlx5_nic_vport_query_local_lb(priv->mdev, MLX5_LOCAL_MC_LB, &val); + if (err == 0) + priv->params_ethtool.mc_local_lb = val; + + err = mlx5_nic_vport_query_local_lb(priv->mdev, MLX5_LOCAL_UC_LB, &val); + if (err == 0) + priv->params_ethtool.uc_local_lb = val; + } + /* create root node */ node = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), OID_AUTO, |